package org.example.hm;

import java.util.HashMap;

/**
 * @version: 1
 * @description: java
 * @author: java
 * @create: 2020-06-02 08:10
 **/
public class HmDemo {
     /*(*
        1.7及之前：数组加链表
        1.8及之后：数组加链表加红黑树
     */
     public static void main(String[] args) {
         HashMap<String, String> hashMap = new HashMap<>();
         hashMap.put("k1", "vv`");
         hashMap.put("k1", "vv`");

     }
}

